Engineering field notes, circa 1916, from the Interstate Commerce Commission Bureau of Valuation's survey of railroad structures. Includes photocopies from the National Archives and Records Administration of building survey sheets with descriptions, photographs and floor and elevation plans of buildings owned by the Duluth, South Shore and Atlantic Railroad, such as the depot in Calumet originally constructed by the Mineral Range Railroad.

Collection, 1986, of documents, maps and forms supporting the nomination of the Shelden Avenue Historic District in Houghton, Michigan for inclusion on the National Register of Historic Places. Includes a facade study and a copy of the nomination form by David Snyder, sub-contractor for John Roger Johansen Architect and Isle Royale National Park Historian.